Marcus du Sautoy tells the story behind Isaac Newton's diagram of a prism which demonstrated that white light is not pure, but made up of different colours. Show more

Mark Bonnar narrates a series revealing the world of Galloway Forest. Community liaison forester Lyndy Renwick must decide the fate of huts discovered on Forestry Commission land. Show more

Mark Bonnar narrates a series revealing the world of Galloway Forest. John Coughtrie and Archie McNeillie prepare safe standing places for the crowds at the Galloway Hills Rally. Show more

Michael Scott uncovers the secrets of the Greek oracle at Delphi, now a beautiful tourist site but in its time a gateway into the supernatural and a cockpit of political conflict. Show more

Documentary looking at the concept of luxury in ancient Greece, from its role in democracy's origins in Athens to its denial in Sparta. Show more

A look at the clash between luxury and Christianity in medieval Europe and how the Black Death paradoxically liberated it from the church. Show more

Travelling across modern day Greece, Dr Michael Scott uncovers the ancient world of gods, democrats and warriors, inhabited by people who could be as brutal as they were brilliant. Show more

Dr Michael Scott explores the legacies of ancient Greece, investigating what made the Greeks so successful and why they still have a powerful hold over our imaginations today. Show more

Michael Scott discovers that from the start, drama was about more than entertainment - it was a reaction to real events and it was deeply connected to Athenian democracy. Show more

Michael Scott looks at the decline of Athens and the triumph of theatre, which spread throughout the Greek world and beyond and gave rise to a new kind of comedy. Show more

Dr Michael Scott explores how the Romans absorbed Greek theatre and how their empire provides a crucial connection between modern drama and the plays of the ancient Greeks. Show more

The first part of this two-part series follows the debate about luxury which convulsed ancient Greece from the beginning of the classical era. Show more

A look at the clash between luxury and Christianity in medieval Europe and how the Black Death paradoxically liberated it from the church. Show more

There Is enrichment for the meerkats and wolverines, cuddly koala Kolari has a nasty eye infection and the flamingos show off their unusual nest-building skills. Show more

Dr Bendor Grosvenor and Emma Dabiri travel to Glasgow to investigate the mystery behind a long-lost picture of one of the most famous gay men in history. Show more

Dr Bendor Grosvenor and Emma Dabiri travel to Derby, on the hunt for a potential hidden masterpiece by Joseph Wright of Derby. Show more

In Carmarthenshire, could two portraits have been painted by Peter Lely, or were they by someone else instead? Dr Bendor Grosvenor and Emma Dabiri investigate. Show more

As Darren examines how social class shapes our identities and destinies, he meets people moving between the classes only for some uncomfortable home truths to emerge. Show more

Marcus du Sautoy explores the story behind Odile Crick's diagram of the DNA double helix, arguably the most famous and significant scientific diagram of the last 100 years. Show more

The story behind Florence Nightingale's rose diagram, designed to persuade the government that lives could be saved with better sanitation in hospitals. Show more